xref: /linux/arch/s390/appldata/appldata.h (revision f24e9f586b377749dff37554696cf3a105540c94)
1 /*
2  * arch/s390/appldata/appldata.h
3  *
4  * Definitions and interface for Linux - z/VM Monitor Stream.
5  *
6  * Copyright (C) 2003,2006 IBM Corporation, IBM Deutschland Entwicklung GmbH.
7  *
8  * Author: Gerald Schaefer <gerald.schaefer@de.ibm.com>
9  */
10 
11 //#define APPLDATA_DEBUG			/* Debug messages on/off */
12 
13 #define APPLDATA_MAX_REC_SIZE	  4024	/* Maximum size of the */
14 					/* data buffer */
15 #define APPLDATA_MAX_PROCS 100
16 
17 #define APPLDATA_PROC_NAME_LENGTH 16	/* Max. length of /proc name */
18 
19 #define APPLDATA_RECORD_MEM_ID		0x01	/* IDs to identify the */
20 #define APPLDATA_RECORD_OS_ID		0x02	/* individual records, */
21 #define APPLDATA_RECORD_NET_SUM_ID	0x03	/* must be < 256 !     */
22 #define APPLDATA_RECORD_PROC_ID		0x04
23 
24 #define CTL_APPLDATA 		2120	/* sysctl IDs, must be unique */
25 #define CTL_APPLDATA_TIMER 	2121
26 #define CTL_APPLDATA_INTERVAL 	2122
27 #define CTL_APPLDATA_MEM	2123
28 #define CTL_APPLDATA_OS		2124
29 #define CTL_APPLDATA_NET_SUM	2125
30 #define CTL_APPLDATA_PROC	2126
31 
32 #define P_INFO(x...)	printk(KERN_INFO MY_PRINT_NAME " info: " x)
33 #define P_ERROR(x...)	printk(KERN_ERR MY_PRINT_NAME " error: " x)
34 #define P_WARNING(x...)	printk(KERN_WARNING MY_PRINT_NAME " status: " x)
35 
36 #ifdef APPLDATA_DEBUG
37 #define P_DEBUG(x...)   printk(KERN_DEBUG MY_PRINT_NAME " debug: " x)
38 #else
39 #define P_DEBUG(x...)   do {} while (0)
40 #endif
41 
42 struct appldata_ops {
43 	struct list_head list;
44 	struct ctl_table_header *sysctl_header;
45 	struct ctl_table *ctl_table;
46 	int    active;				/* monitoring status */
47 
48 	/* fill in from here */
49 	unsigned int ctl_nr;			/* sysctl ID */
50 	char name[APPLDATA_PROC_NAME_LENGTH];	/* name of /proc fs node */
51 	unsigned char record_nr;		/* Record Nr. for Product ID */
52 	void (*callback)(void *data);		/* callback function */
53 	void *data;				/* record data */
54 	unsigned int size;			/* size of record */
55 	struct module *owner;			/* THIS_MODULE */
56 	char mod_lvl[2];			/* modification level, EBCDIC */
57 };
58 
59 extern int appldata_register_ops(struct appldata_ops *ops);
60 extern void appldata_unregister_ops(struct appldata_ops *ops);
61 extern int appldata_diag(char record_nr, u16 function, unsigned long buffer,
62 			 u16 length, char *mod_lvl);
63 
64